butt weld pipe fitting,screwed flange,cap, elbow, reducer, tee, stub end material,cs/ss/alloy w.t. sch5- ... stainless steel elbow 90, elbow45, equal tee, reducer tee, bends, concentric reducer, eccectric reducer, screwed flange, cap, stub end MATERIAL carbon steel, stainless steel, alloy ... -10DCERTIFICATES ISO9001:2000, API, CCS, CE, TUV stainless steel screwed flange